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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 284 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.2/5 − 3/8 =
  2. 2.6/12 + 1/11 =
  3. 3.8/10 − 1/11 =
  4. 4.2/3 − 1/3 =
  5. 5.5/11 + 2/5 =
  6. 6.2/7 + 9/12 =
  7. 7.4/6 + 1/2 =
  8. 8.2/3 + 2/3 =
  9. 9.2/4 + 2/5 =
  10. 10.4/10 + 5/11 =
  11. 11.2/6 + 4/12 =
  12. 12.10/11 − 2/5 =
  13. 13.1/9 + 4/8 =
  14. 14.8/12 + 2/5 =
  15. 15.5/9 − 2/7 =
  16. 16.3/4 − 2/3 =
  17. 17.2/4 − 1/3 =
  18. 18.6/9 + 4/8 =
  19. 19.9/11 − 2/5 =
  20. 20.3/5 − 2/10 =
  21. 21.3/12 + 2/8 =
  22. 22.6/11 + 4/6 =
  23. 23.1/12 + 1/3 =
  24. 24.3/4 − 1/4 =
  25. 25.2/4 − 1/8 =
  26. 26.10/11 + 3/7 =
  27. 27.3/10 − 3/12 =
  28. 28.9/10 − 2/7 =
  29. 29.5/10 − 1/10 =
  30. 30.2/9 + 1/7 =
  31. 31.4/9 − 3/12 =
  32. 32.3/10 − 1/4 =
  33. 33.8/11 − 2/8 =
  34. 34.4/5 + 1/4 =
  35. 35.1/2 + 1/2 =
  36. 36.4/8 + 1/3 =
  37. 37.3/6 + 1/9 =
  38. 38.1/5 + 1/6 =
  39. 39.2/9 + 1/2 =
  40. 40.3/6 − 1/9 =

Answer key

  1. 1/40
  2. 13/22
  3. 39/55
  4. 1/3
  5. 47/55
  6. 29/28
  7. 7/6
  8. 4/3
  9. 9/10
  10. 47/55
  11. 2/3
  12. 28/55
  13. 11/18
  14. 16/15
  15. 17/63
  16. 1/12
  17. 1/6
  18. 7/6
  19. 23/55
  20. 2/5
  21. 1/2
  22. 40/33
  23. 5/12
  24. 1/2
  25. 3/8
  26. 103/77
  27. 1/20
  28. 43/70
  29. 2/5
  30. 23/63
  31. 7/36
  32. 1/20
  33. 21/44
  34. 21/20
  35. 1
  36. 5/6
  37. 11/18
  38. 11/30
  39. 13/18
  40. 7/18

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